From: Hans Hagen <j.hagen@xs4all.nl>
To: mailing list for ConTeXt users <ntg-context@ntg.nl>
Subject: Re: metafun transformation error
Date: Fri, 4 Jun 2021 11:22:34 +0200 [thread overview]
Message-ID: <545dd3d4-ecf3-e50c-0fab-972104144059@xs4all.nl> (raw)
In-Reply-To: <1304265160.1973176.1622794551737@mail.yahoo.com>
On 6/4/2021 10:15 AM, Ajith R wrote:
> Hi all,
>
> I am new to context and need help in solving an error.
>
> I am trying to print some numbers in a grid onto a transparent sheet as mirror images so that the numbers are correctly displayed when I view it from the non printed side. The numbers have a particular sequence which cannot be obtained from calculations. So, they are stored in an array of strings : l[0][0] := "38"; ...
>
> I place them at the centre of the grid squares using the code below:
>
> for i= 0 upto (row - 1):
> for j= 0 upto (col - 1):
> middle := 0.5[((( i * unit) + lm), ((j * unit) + bm)), ((((i+1) * unit) + lm), (((j +1) * unit) + bm))];
> p := thelabel(l[j][i], middle);
> draw p;
>
> % q := p reflectedabout (0.5[urcorner p, ulcorner p], 0.5[lrcorner p, llcorner p]);
> % draw q;
> endfor
> endfor
>
> This works as expected. But, when I try to reflect the label by means of the commented code, I get an error :
>
> tex error > mp error on line 643 in file /home/ajith/Desktop/PlayGround/numgrid.tex:
>
>
>>> (xpart T_,ypart T_,-0.00581xpart T_+0.00497ypart T_+0.15294,-0.00497xpart T_
> -0.00581ypart T_+0.98824,-0.00497xpart T_-0.00581ypart T_+0.98825,0.00581xpart
> T_-0.00497ypart T_-0.15294)
> ! Transform components aren't all known.
> <to be read again>
> ;
> <for(0)> ...lcorner.p];q:=p.reflectedabout(uq,lq);
> draw.p; ENDFOR
> <for(0)> ...=p.reflectedabout(uq,lq);draw.p;endfor
> ENDFOR
> <*> ...lectedabout (uq, lq); draw p; endfor endfor
> StopPage ; ;
> I'm unable to apply a partially specified transformation
> except to a fully known pair or transform.
> Proceed, and I'll omit the transformation.
>
>
> I tried a mock example without the loops and that didn't throw an error.
>
> How can I make it work within the loops?
In order answer that you have to make a MWE that we can run without the
need to edit a file.
Hans
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next prev parent reply other threads:[~2021-06-04 9:22 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <561884252.127404.1622754117330.ref@mail.yahoo.com>
[not found] ` <561884252.127404.1622754117330@mail.yahoo.com>
2021-06-04 8:15 ` Ajith R
2021-06-04 9:22 ` Hans Hagen [this message]
2021-06-04 11:25 ` Ajith R
2021-06-04 12:27 ` Hans Hagen
2021-06-04 15:08 ` Ajith R
2021-06-04 15:28 ` Hans Hagen
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